Limit your jet game movement

 
This is the tutorial making game with flash (Macromedia Flash). I am using Flash 8 profesional to this tutorial. Please don’t be shame to asking, I am waiting your question.
for you who did not read and learn the last tutorials where this tutorial is the next part of those, you better read those before in [...]

Making your jet movement so real

In the last tutorial, I had explained to you how to movement a Movieclip with arrow key on the keyboard to any direction. For anyone who not yet read that, you can read that here.
In the tutorial “Drive your jet, Man” jet plane movement seen stiff and not real. If you forgotten or never tried, [...]